Prudence Hardcastle is on the pill. So is her sister-in-law, but someone has been swapping aspirin for their pills. Is it the teenage niece, the maid, the chauffeur, a lover, Prudence's husband Gerald, or all of the above?
Deborah Kerr
Prudence Hardcastle
David Niven
Gerald Hardcastle
Robert Coote
Henry Hardcastle
Irina Demick
Elizabeth Brett
Joyce Redman
Grace Hardcastle
Judy Geeson
Geraldine Hardcastle
Keith Michell
Dr. Alan Huart
Edith Evans
Roberta Bates
David Dundas
Tony Bates
Vickery Turner
Rose
Hugh Armstrong
Ted
Peter Butterworth
Chemist
Moyra Fraser
Woman in Tea Shop
Annette Kerr
Gerald's Secretary
Harry Towb
Racetrack Official
Jonathan Lynn
Chemist's Assistant
Ivor Dean
City Banker in Taxi Cab (uncredited)
Arthur Hewlett
Mr. Ferguson (uncredited)
Michael Hordern
Dr. Morley (uncredited)
John Tatham
Man Sitting in Grandstand at the Races (uncredited)
Joseph Tregonino
Waiter (uncredited)
Fielder Cook
Director
Kenneth Harper
Producer
Ronald J. Kahn
Jan 1, 1973
Oct 5, 1967
Jul 18, 1990
Jan 9, 1967
Apr 20, 2006
Aug 29, 2024
Apr 21, 2001
Nov 25, 1986
Sep 21, 2023
Mar 23, 2010
Apr 16, 2003
Jan 26, 2023
Sep 28, 2023
Oct 9, 2014
Feb 4, 2026
Jul 1, 2020
20th Century Fox
US
English